e.getCause().printStackTrace();
System.exit(0);
}
try {
headerFactory = sipFactory.createHeaderFactory();
addressFactory = sipFactory.createAddressFactory();
messageFactory = sipFactory.createMessageFactory();
((MessageFactoryImpl) messageFactory).setTest(true);
ListeningPoint lp = sipStack.createListeningPoint("127.0.0.1", myPort, "udp");